Largely invisible is New York City’s amazing water supply system, stretching across 125 miles and delivering over one billion gallons of drinking water to nine million people.
“Mountain water” from the Catskill/Delaware watershed provides more than 90 percent of the city’s supply. The rest comes from the Croton watershed. It is delivered to the city through an astounding network of tunnels and aqueducts.
Did You Know?
It can take 12 weeks to a year for water to wind its way to the city from the streams, tunnels, dams and reservoirs in the Catskills. All of it is delivered to the city by gravity alone. Three main water tunnels have been built on an incline and literally whoosh the water downhill. The force of the water coming through the tunnels creates enough pressure to send it up to the sixth floor of most buildings.
Further Info
How New York Gets Its Water - (NY Times)
Catskill Aqueduct (Wikipedia)
New Croton aqueduct (Wikipedia)
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